Pb

Lead-197

Protons (Z)

82

Neutrons (N)

115

Mass number

197

Half-Life

8.1 m

Abundance

---

Mass

196.973 u

Mass Excess

-24,745.0 keV

Spin

3/2-

Discovered

1955

Binding energy per nucleon

7,871 keV

Neutron separation energy

7,468 keV

Proton separation energy

4,537 keV

Decay Mode

β⁺Thallium-197100%

Decay chain

Lead-197Z 82 · N 1158.1 m
β⁺100%
β⁺100%
EC100%